/* Slide Bản Cổ Văn - Accessibility Mode */

/* High Contrast Mode */
.high-contrast .researchers-slide {
    background: #000000 !important;
    color: #ffffff !important;
}

.high-contrast .slide-title {
    color: #ffffff !important;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

.high-contrast .quote-text p {
    color: #ffffff !important;
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #ffffff;
}

.high-contrast .researcher-name {
    color: #ffff00 !important;
    font-weight: bold;
}

.high-contrast .researcher-title {
    color: #cccccc !important;
}

.high-contrast .nav-arrow {
    background: #ffff00 !important;
    color: #000000 !important;
    border: 2px solid #ffffff;
}

.high-contrast .nav-arrow:hover {
    background: #ffffff !important;
    color: #000000 !important;
}

.high-contrast .indicator {
    background: #ffffff !important;
    border: 2px solid #000000;
}

.high-contrast .indicator.active {
    background: #ffff00 !important;
    border: 2px solid #ffffff;
}

.high-contrast .accessibility-icon {
    background: #ffff00 !important;
    color: #000000 !important;
    border: 2px solid #ffffff;
}

.high-contrast .researchers-slide *:focus {
    outline: 3px solid #ffffff !important;
    outline-offset: 2px;
}

/* Screen reader only text */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .slide-item {
        animation: none !important;
    }
    
    .nav-arrow,
    .indicator,
    .accessibility-icon,
    .researcher-image img {
        transition: none !important;
    }
    
    .nav-arrow:hover,
    .indicator:hover,
    .accessibility-icon:hover,
    .researcher-image img:hover {
        transform: none !important;
    }
}

/* Large text mode */
.large-text .slide-title {
    font-size: 3rem !important;
}

.large-text .quote-text p {
    font-size: 1.5rem !important;
    line-height: 2 !important;
}

.large-text .researcher-name {
    font-size: 2rem !important;
}

.large-text .researcher-title {
    font-size: 1.2rem !important;
}

/* Print styles */
@media print {
    .researchers-slide {
        background: white !important;
        color: black !important;
        padding: 20px 0 !important;
    }
    
    .slide-navigation,
    .slide-indicators,
    .accessibility-icon {
        display: none !important;
    }
    
    .slide-item {
        display: block !important;
        page-break-inside: avoid;
        margin-bottom: 30px;
    }
    
    .slide-title {
        color: black !important;
        font-size: 2rem !important;
    }
    
    .quote-text p {
        color: black !important;
        background: none !important;
        border: 1px solid #ccc !important;
    }
    
    .researcher-name {
        color: black !important;
    }
    
    .researcher-title {
        color: #666 !important;
    }
}